Dinitrogen Tetraoxide, N₂O₄, Decomposes to Nitrogen Dioxide, NO₂, in a First-Order

question 53

Multiple Choice

Dinitrogen tetraoxide, N₂O₄, decomposes to nitrogen dioxide, NO₂, in a first-order process. If k = 2.5 × 10³ s^-1 at -5°C and k = 3.5 × 10⁴ s^-1 at 25°C, what is the activation energy for the decomposition?

• A) 0.73 kJ/mol
• B) 58 kJ/mol
• C) 140 kJ/mol
• D) 580 kJ/mol
• E) > 1000 kJ/mol

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